diff --git a/docs/windows/index.html b/docs/windows/index.html
index 6f5aa9a..ba3a0ed 100644
--- a/docs/windows/index.html
+++ b/docs/windows/index.html
@@ -51,6 +51,61 @@ <h1>OpenSlide Windows development builds</h1>
     <th colspan="3">Downloads</th>
   </tr>
   
+    <tr>
+      <td class="date">2023-09-30</td>
+      <td class="revision">
+        
+  
+    <a href="https://github.com/openslide/openslide/compare/bbad585c...6266c7f0">
+      6266c7f0
+    </a>
+  
+
+      </td>
+      <td class="revision">
+        
+  
+    <a href="https://github.com/openslide/openslide-java/compare/24844fd9...57617dc4">
+      57617dc4
+    </a>
+  
+
+      </td>
+      <td class="revision">
+        
+  
+    <a href="https://github.com/openslide/openslide-winbuild/compare/66fa58cb...dbe521f5">
+      dbe521f5
+    </a>
+  
+
+      </td>
+      <td class="revision">
+        
+        
+          <a href="https://github.com/orgs/openslide/packages/container/winbuild-builder/130785695">
+            b8bafe69
+          </a>
+        
+      </td>
+      <td class="spacer"></td>
+      <td class="win32">
+        <a href="https://github.com/openslide/builds/releases/download/windows-20230930-nightly/openslide-win32-20230930-nightly.zip">
+          32-bit
+        </a>
+      </td>
+      <td class="win64">
+        <a href="https://github.com/openslide/builds/releases/download/windows-20230930-nightly/openslide-win64-20230930-nightly.zip">
+          64-bit
+        </a>
+      </td>
+      <td class="winbuild">
+        <a href="https://github.com/openslide/builds/releases/download/windows-20230930-nightly/openslide-winbuild-20230930-nightly.zip">
+          Corresponding sources
+        </a>
+      </td>
+    </tr>
+  
     <tr>
       <td class="date">2023-09-29</td>
       <td class="revision">
@@ -1498,9 +1553,7 @@ <h1>OpenSlide Windows development builds</h1>
       <td class="revision">
         
   
-    <a href="https://github.com/openslide/openslide/compare/dc477e1b...af4878be">
-      af4878be
-    </a>
+    af4878be
   
 
       </td>
@@ -1544,53 +1597,4 @@ <h1>OpenSlide Windows development builds</h1>
       </td>
     </tr>
   
-    <tr>
-      <td class="date">2023-06-27</td>
-      <td class="revision">
-        
-  
-    dc477e1b
-  
-
-      </td>
-      <td class="revision">
-        
-  
-    743758a7
-  
-
-      </td>
-      <td class="revision">
-        
-  
-    07e74e25
-  
-
-      </td>
-      <td class="revision">
-        
-        
-          <a href="https://github.com/orgs/openslide/packages/container/winbuild-builder/103460266">
-            fdf3f340
-          </a>
-        
-      </td>
-      <td class="spacer"></td>
-      <td class="win32">
-        <a href="https://github.com/openslide/builds/releases/download/windows-20230627-nightly/openslide-win32-20230627-nightly.zip">
-          32-bit
-        </a>
-      </td>
-      <td class="win64">
-        <a href="https://github.com/openslide/builds/releases/download/windows-20230627-nightly/openslide-win64-20230627-nightly.zip">
-          64-bit
-        </a>
-      </td>
-      <td class="winbuild">
-        <a href="https://github.com/openslide/builds/releases/download/windows-20230627-nightly/openslide-winbuild-20230627-nightly.zip">
-          Corresponding sources
-        </a>
-      </td>
-    </tr>
-  
 </table>
diff --git a/docs/windows/index.json b/docs/windows/index.json
index bd0cebc..4c85f4d 100644
--- a/docs/windows/index.json
+++ b/docs/windows/index.json
@@ -1,13 +1,5 @@
 {
   "builds": [
-    {
-      "builder": "ghcr.io/openslide/winbuild-builder@sha256:fdf3f340147b8b448fbfecda665cc4acf1dde70bcdbe65622b601639a827ce92",
-      "date": "2023-06-27",
-      "openslide": "dc477e1b4a595586504412ec63726a7bd18bbfef",
-      "openslide-java": "743758a7ff043a8c075834c1b8d240969d025448",
-      "openslide-winbuild": "07e74e25f62241c5530392da804c2c20bfdd9173",
-      "pkgver": "20230627-nightly"
-    },
     {
       "builder": "ghcr.io/openslide/winbuild-builder@sha256:fdf3f340147b8b448fbfecda665cc4acf1dde70bcdbe65622b601639a827ce92",
       "date": "2023-06-28",
@@ -239,7 +231,15 @@
       "openslide-java": "24844fd924c2f0fdd9d5fa5e52305d4416b8c69a",
       "openslide-winbuild": "66fa58cb1a485e94a0862c1bf9692979bc87dc19",
       "pkgver": "20230929-nightly"
+    },
+    {
+      "builder": "ghcr.io/openslide/winbuild-builder@sha256:b8bafe695719de6f00582dd0b657bad4e86119d9bdee2d529d960e0446ebdbce",
+      "date": "2023-09-30",
+      "openslide": "6266c7f0f11b441e5bb68d00315128570af19b6a",
+      "openslide-java": "57617dc48be8b15ba910de215cd9198057727120",
+      "openslide-winbuild": "dbe521f5be28a72944f0feb7a996590075af5d7d",
+      "pkgver": "20230930-nightly"
     }
   ],
-  "last_update": 1695951549
+  "last_update": 1696037568
 }